mirror of
https://github.com/chainguard-dev/osquery-defense-kit
synced 2024-12-14 10:04:40 +00:00
298 lines
11 KiB
SQL
298 lines
11 KiB
SQL
-- Catch applications running from unusual directories, such as /tmp
|
|
--
|
|
-- references:
|
|
-- * https://attack.mitre.org/techniques/T1074/
|
|
--
|
|
-- false positives:
|
|
-- * software installers and updaters
|
|
-- * developers running programs out of /tmp
|
|
--
|
|
-- interval: 240
|
|
-- platform: darwin
|
|
-- tags: filesystem events
|
|
SELECT
|
|
REGEX_MATCH (REPLACE(pe.path, u.directory, '~'), '(.*)/', 1) AS dir,
|
|
REGEX_MATCH (
|
|
REPLACE(pe.path, u.directory, '~'),
|
|
'(~*/.*?)/',
|
|
1
|
|
) AS top1_dir,
|
|
REGEX_MATCH (
|
|
REPLACE(pe.path, u.directory, '~'),
|
|
'(~*/.*?/.*?/.*?)/',
|
|
1
|
|
) AS top3_dir,
|
|
u.directory AS user_home_dir,
|
|
s.identifier AS s_id,
|
|
s.authority AS s_auth,
|
|
-- Child
|
|
pe.path AS p0_path,
|
|
REGEX_MATCH (pe.path, '.*/(.*)', 1) AS p0_name,
|
|
TRIM(pe.cmdline) AS p0_cmd,
|
|
-- pe.cwd is NULL on macOS
|
|
p.cwd AS p0_cwd,
|
|
pe.pid AS p0_pid,
|
|
pe.euid AS p0_euid,
|
|
-- Parent
|
|
pe.parent AS p1_pid,
|
|
TRIM(COALESCE(p1.cmdline, pe1.cmdline)) AS p1_cmd,
|
|
p1.cwd AS p1_cwd,
|
|
COALESCE(p1.path, pe1.path) AS p1_path,
|
|
COALESCE(p_hash1.sha256, pe_hash1.sha256) AS p1_hash,
|
|
REGEX_MATCH (COALESCE(p1.path, pe1.path), '.*/(.*)', 1) AS p1_name,
|
|
-- Grandparent
|
|
COALESCE(p1.parent, pe1.parent) AS p2_pid,
|
|
TRIM(
|
|
COALESCE(p1_p2.cmdline, pe1_p2.cmdline, pe1_pe2.cmdline)
|
|
) AS p2_cmd,
|
|
p1_p2.cwd AS p2_cwd,
|
|
COALESCE(p1_p2.path, pe1_p2.path, pe1_pe2.path) AS p2_path,
|
|
COALESCE(
|
|
p1_p2_hash.path,
|
|
pe1_p2_hash.path,
|
|
pe1_pe2_hash.path
|
|
) AS p2_hash,
|
|
REGEX_MATCH (
|
|
COALESCE(p1_p2.path, pe1_p2.path, pe1_pe2.path),
|
|
'.*/(.*)',
|
|
1
|
|
) AS p2_name
|
|
FROM
|
|
process_events pe
|
|
LEFT JOIN file f ON pe.path = f.path
|
|
LEFT JOIN signature S ON pe.path = s.path
|
|
LEFT JOIN users u ON pe.uid = u.uid
|
|
LEFT JOIN processes p ON pe.pid = p.pid -- Parents (via two paths)
|
|
LEFT JOIN processes p1 ON pe.parent = p1.pid
|
|
LEFT JOIN hash p_hash1 ON p1.path = p_hash1.path
|
|
LEFT JOIN process_events pe1 ON pe.parent = pe1.pid
|
|
AND pe1.cmdline != ''
|
|
LEFT JOIN hash pe_hash1 ON pe1.path = pe_hash1.path -- Grandparents (via 3 paths)
|
|
LEFT JOIN processes p1_p2 ON p1.parent = p1_p2.pid -- Current grandparent via parent processes
|
|
LEFT JOIN processes pe1_p2 ON pe1.parent = pe1_p2.pid -- Current grandparent via parent events
|
|
LEFT JOIN process_events pe1_pe2 ON pe1.parent = pe1_p2.pid
|
|
AND pe1_pe2.cmdline != '' -- Past grandparent via parent events
|
|
LEFT JOIN hash p1_p2_hash ON p1_p2.path = p1_p2_hash.path
|
|
LEFT JOIN hash pe1_p2_hash ON pe1_p2.path = pe1_p2_hash.path
|
|
LEFT JOIN hash pe1_pe2_hash ON pe1_pe2.path = pe1_pe2_hash.path
|
|
WHERE
|
|
pe.time > (strftime('%s', 'now') -240)
|
|
AND pe.status = 0
|
|
AND pe.cmdline != ''
|
|
AND pe.cmdline IS NOT NULL
|
|
AND top1_dir NOT IN (
|
|
'~/Applications',
|
|
'/Applications',
|
|
'~/Applications (Parallels)',
|
|
'~/bin',
|
|
'~/.cargo',
|
|
'~/chainguard',
|
|
'~/dev',
|
|
'~/code',
|
|
'~/Code',
|
|
'~/.config',
|
|
'~/.gimme',
|
|
'~/git',
|
|
'~/github',
|
|
'~/go',
|
|
'~/google-cloud-sdk',
|
|
'~/.gradle',
|
|
'~/homebrew',
|
|
'~/.kuberlr',
|
|
-- '~/Library',
|
|
'~/.local',
|
|
'/nix',
|
|
'~/Parallels',
|
|
'~/proj',
|
|
'~/projects',
|
|
'~/Projects',
|
|
'~/workspace',
|
|
'~/.provisio',
|
|
'~/.pulumi',
|
|
'~/.pyenv',
|
|
'~/.rustup',
|
|
'~/src',
|
|
'~/.steampipe',
|
|
'/System',
|
|
'~/.tflint.d',
|
|
'~/.vscode',
|
|
'~/.vs-kubernetes'
|
|
)
|
|
AND top3_dir NOT IN (
|
|
'/Library/Apple/System',
|
|
'/Library/Application Support/Adobe',
|
|
'~/Library/Application Support/BraveSoftware',
|
|
'/Library/Application Support/Canon_Inc_IC',
|
|
'~/Library/Application Support/com.elgato.StreamDeck',
|
|
'~/Library/Application Support/com.grammarly.ProjectLlama',
|
|
'/Library/Application Support/EcammLive',
|
|
'~/Library/Application Support/Foxit Software',
|
|
'/Library/Application Support/GPGTools',
|
|
'~/Library/Application Support/JetBrains',
|
|
'~/Library/Application Support/zoom.us',
|
|
'~/Library/Caches/com.knollsoft.Rectangle',
|
|
'~/Library/Caches/com.mimestream.Mimestream',
|
|
'~/Library/Caches/Cypress',
|
|
'~/Library/Caches/JetBrains',
|
|
'~/Library/Caches/snyk',
|
|
'/Library/Developer/CommandLineTools',
|
|
'~/Library/Developer/Xcode',
|
|
'/Library/Google/GoogleSoftwareUpdate',
|
|
'~/Library/Google/GoogleSoftwareUpdate',
|
|
'/Library/Java/JavaVirtualMachines',
|
|
'/Library/Plug-Ins/FxPlug',
|
|
'/opt/homebrew/Caskroom',
|
|
'/opt/homebrew/Cellar',
|
|
'/opt/homebrew/Library',
|
|
'/private/var/kolide-k2',
|
|
'/usr/libexec/AssetCache',
|
|
'/usr/libexec/rosetta',
|
|
'/usr/local/Cellar',
|
|
'/usr/local/kolide-k2',
|
|
'/Volumes/Google Chrome/Google Chrome.app',
|
|
'/Volumes/Slack/Slack.app'
|
|
'~/.wdm/drivers/chromedriver',
|
|
)
|
|
AND dir NOT IN (
|
|
'/bin',
|
|
'~/bin',
|
|
'~/code/bin',
|
|
'~/Downloads/google-cloud-sdk/bin',
|
|
'~/Downloads/protoc/bin',
|
|
'~/go/bin',
|
|
'~/Library/Application Support/cloud-code/installer/google-cloud-sdk/bin',
|
|
'~/Library/Application Support/dev.warp.Warp-Stable',
|
|
'/Library/Application Support/Kandji/Kandji Menu/Kandji Menu.app/Contents/MacOS',
|
|
'/Library/Application Support/Logitech.localized/LogiOptionsPlus/logioptionsplus_agent.app/Contents/MacOS',
|
|
'/Library/Application Support/Logitech.localized/Logitech Options.localized/LogiMgrUpdater.app/Contents/Resources',
|
|
'~/Library/Application Support/minecraft/launcher/launcher.bundle/Contents/Frameworks/launcher-Helper (GPU).app/Contents/MacOS',
|
|
'~/Library/Application Support/snyk-ls',
|
|
'/Library/Application Support/X-Rite/Frameworks/XRiteDevice.framework/Versions/B/Resources/XRD Software Update.app/Contents/MacOS',
|
|
'/Library/Audio/Plug-Ins/HAL/ACE.driver/Contents/Resources',
|
|
'/Library/Audio/Plug-Ins/HAL/ACE.driver/Contents/Resources/aceagent.app/Contents/MacOS',
|
|
'/Library/DropboxHelperTools/Dropbox_u501',
|
|
'/Library/Filesystems/kbfuse.fs/Contents/Resources',
|
|
'/Library/Frameworks/Python.framework/Versions/3.10/bin',
|
|
'/Library/Google/GoogleSoftwareUpdate/GoogleSoftwareUpdate.bundle/Contents/Helpers.app/Contents/MacOS',
|
|
'/Library/Google/GoogleSoftwareUpdate/GoogleSoftwareUpdate.bundle/Contents/Helpers/GoogleSoftwareUpdateAgent.app/Contents/MacOS',
|
|
'/Library/Image Capture/Devices/EPSON Scanner.app/Contents/MacOS',
|
|
'/Library/Kandji/Kandji Agent.app/Contents/MacOS',
|
|
'/Library/Kandji/Kandji Agent.app/Contents/MacOS/',
|
|
'/Library/Printers/Brother/Filter/rastertobrother2300.bundle/Contents/MacOS',
|
|
'/Library/Printers/Brother/Utilities/Server/LOGINserver.app/Contents/MacOS',
|
|
'/Library/Printers/Brother/Utilities/Server/NETserver.app/Contents/MacOS',
|
|
'/Library/Printers/Brother/Utilities/Server/USBAppControl.app/Contents/MacOS',
|
|
'/Library/Printers/Brother/Utilities/Server/WorkflowAppControl.app/Contents/MacOS',
|
|
'/Library/Printers/DYMO/Utilities',
|
|
'/Library/Printers/EPSON/InkjetPrinter2/Filter/commandtoescp.app/Contents/MacOS',
|
|
'/Library/PrivilegedHelperTools',
|
|
'/Library/TeX/texbin',
|
|
'~/.local/bin',
|
|
'~/.magefile',
|
|
'/node_modules/.bin',
|
|
'/opt/homebrew/bin',
|
|
'/opt/osquery/lib/osquery.app/Contents/MacOS',
|
|
'/opt/usr/bin',
|
|
'/opt/X11/bin',
|
|
'/opt/X11/libexec',
|
|
'~/projects/go/bin',
|
|
'/run/current-system/sw/bin',
|
|
'/sbin',
|
|
'/usr/bin',
|
|
'/usr/lib',
|
|
'/usr/lib/bluetooth',
|
|
'/usr/lib/cups/notifier',
|
|
'/usr/libexec',
|
|
'/usr/libexec/ApplicationFirewall',
|
|
'/usr/libexec/AssetCache',
|
|
'/usr/libexec/cups/backend',
|
|
'/usr/libexec/firmwarecheckers',
|
|
'/usr/libexec/firmwarecheckers/eficheck',
|
|
'/usr/libexec/rosetta',
|
|
'/usr/lib/fwupd',
|
|
'/usr/lib/ibus',
|
|
'/usr/lib/system',
|
|
'/usr/local/bin',
|
|
'/usr/local/MacGPG2/bin',
|
|
'/usr/sbin',
|
|
'/Volumes/Grammarly/Grammarly Installer.app/Contents/MacOS'
|
|
) -- Locally built executables
|
|
AND NOT (
|
|
s.identifier = 'a.out'
|
|
AND dir LIKE '~/%'
|
|
AND p1_name IN ('fish', 'sh', 'bash', 'zsh', 'terraform', 'code')
|
|
)
|
|
AND NOT (
|
|
s.authority = ''
|
|
AND dir LIKE '~/%'
|
|
AND p1_name IN ('fish', 'sh', 'bash', 'zsh')
|
|
AND p.cmdline LIKE './%'
|
|
)
|
|
-- Spotify
|
|
AND pe.path NOT LIKE '/private/var/folders/%/T/sp_relauncher'
|
|
-- Sparkle updater
|
|
AND pe.path NOT LIKE '/Users/%/Library/Caches/%/org.sparkle-project.Sparkle/Launcher/%/Updater.app/Contents/MacOS/Updater'
|
|
AND dir NOT LIKE '/Applications/%'
|
|
AND dir NOT LIKE '~/%/bin'
|
|
AND dir NOT LIKE '~/%/node_modules/.bin/%'
|
|
AND dir NOT LIKE '/opt/%/bin'
|
|
AND dir NOT LIKE '~/%/google-cloud-sdk/bin/%'
|
|
AND dir NOT LIKE '~/Library/Caches/ms-playwright/%'
|
|
AND dir NOT LIKE '~/Library/Printers/%/Contents/MacOS'
|
|
AND dir NOT LIKE '~/.local/%/packages/%'
|
|
AND dir NOT LIKE '~/%/node_modules/.pnpm/%'
|
|
AND dir NOT LIKE '/private/tmp/%.app/Contents/MacOS'
|
|
AND dir NOT LIKE '/private/tmp/go-build%/exe'
|
|
AND dir NOT LIKE '/private/tmp/KSInstallAction.%/Install Google Software Update.app/Contents/Helpers'
|
|
AND dir NOT LIKE '/private/tmp/nix-build-%'
|
|
AND dir NOT LIKE '/Library/SystemExtensions/%-%/%.systemextension/Contents/MacOS'
|
|
AND dir NOT LIKE '/private/tmp/PKInstallSandbox.%/Scripts/com.microsoft.OneDrive.%'
|
|
AND dir NOT LIKE '/private/var/db/com.apple.xpc.roleaccountd.staging/%.xpc/Contents/MacOS'
|
|
AND dir NOT LIKE '/private/var/folders/%/d/Wrapper/%.app/%'
|
|
AND dir NOT LIKE '/private/var/folders/%/bin'
|
|
AND dir NOT LIKE '/private/var/kolide-k2/k2device.kolide.com/updates/osqueryd/%'
|
|
AND dir NOT LIKE '/private/var/folders/%/Contents/%'
|
|
AND dir NOT LIKE '/private/var/folders/%/go-build%'
|
|
AND dir NOT LIKE '/private/var/folders/%/GoLand'
|
|
AND dir NOT LIKE '/private/var/folders/%/d/Wrapper/%.app'
|
|
AND dir NOT LIKE '~/%repo%'
|
|
-- When running code as root
|
|
AND dir NOT LIKE '/Users/%/go/bin'
|
|
AND dir NOT LIKE '~/%sigstore%'
|
|
AND dir NOT LIKE '%/.terraform/providers/%'
|
|
AND dir NOT LIKE '/Volumes/com.getdropbox.dropbox-%' -- These signers can run from wherever the hell they want.
|
|
AND s.authority NOT IN (
|
|
'Apple iPhone OS Application Signing',
|
|
'Apple Mac OS Application Signing',
|
|
'Developer ID Application: Adobe Inc. (JQ525L2MZD)',
|
|
'Developer ID Application: Cisco (DE8Y96K9QP)',
|
|
'Developer ID Application: Brother Industries, LTD. (5HCL85FLGW)',
|
|
'Developer ID Application: CodeWeavers Inc. (9C6B7X7Z8E)',
|
|
'Developer ID Application: Sublime HQ Pty Ltd (Z6D26JE4Y4)',
|
|
'Developer ID Application: Corsair Memory, Inc. (Y93VXCB8Q5)',
|
|
'Developer ID Application: Docker Inc (9BNSXJN65R)',
|
|
'Developer ID Application: Dropbox, Inc. (G7HH3F8CAK)',
|
|
'Developer ID Application: Figma, Inc. (T8RA8NE3B7)',
|
|
'Developer ID Application: GEORGE NACHMAN (H7V7XYVQ7D)',
|
|
'Developer ID Application: Google LLC (EQHXZ8M8AV)',
|
|
'Developer ID Application: Hashicorp, Inc. (D38WU7D763)',
|
|
'Developer ID Application: Logitech Inc. (QED4VVPZWA)',
|
|
'Developer ID Application: Microsoft Corporation (UBF8T346G9)',
|
|
'Developer ID Application: Ned Deily (DJ3H93M7VJ)',
|
|
-- ^-- Python
|
|
'Developer ID Application: Node.js Foundation (HX7739G8FX)',
|
|
'Developer ID Application: Objective Development Software GmbH (MLZF7K7B5R)',
|
|
'Developer ID Application: Objective-See, LLC (VBG97UB4TA)',
|
|
'Developer ID Application: Opal Camera Inc (97Z3HJWCRT)',
|
|
'Developer ID Application: Oracle America, Inc. (VB5E2TV963)',
|
|
'Developer ID Application: TablePlus Inc (3X57WP8E8V)',
|
|
'Developer ID Application: Tenable, Inc. (4B8J598M7U)',
|
|
'Developer ID Application: Valve Corporation (MXGJJ98X76)',
|
|
'Developer ID Application: Wireshark Foundation, Inc. (7Z6EMTD2C6)',
|
|
'Software Signing'
|
|
) -- Don't spam alerts with repeated invocations of the same command-line
|
|
GROUP BY
|
|
p.cmdline,
|
|
p.cwd,
|
|
p.euid;
|